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Free Shipping Condition: New Location: China L Dual-channel RS232 expansion board with built-in SP3232EEN driver chip, UART communication module. l RS232 Receiver: SP3232EEN. l UART interface for ... moreeasy conversion between UART and RS232. l Communication Interface: UART.
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$3.50 Shipping Condition: New Location: China The most headache STC12, STC15, STC11, STC10 series of burning success rate of 100%, and to do 115200 of the highest baud rate burning! 4P DuPont cable ... morelength:20CM. 1X Dupont cable. The highest baud rate 115200 support!
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$3.00 Shipping Condition: New Location: China This is another great IIC/I2C/TWI/SPI Serial Interface. However, with this I2C interface module, you will be able to realize data display via only 2 wires. ... moreIf you already has I2C devices in your project, this LCD module actually cost no more resources at all.
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$3.22 Shipping Condition: Neu Location: China STM32F407VET6: the high performance STM32 MCU which features 1 x STM32F407VET6 Board. Core: Cortex-M4 32-bit RISC. Wireless Communication: NRF2401 Interface. ... more1 x Mini USB Cable. 2.54mm integer multiples spacing pin.
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$2.99 Shipping Condition: New Location: China Cortex-M3 STM32F103C8T6 STM32 Minimum System Development Board ARM Core Board. Article-Nr.5200137. Product Details: ARM Cortex-M3 STM32F103C8T6 STM32 ... moreCore Board Condition: New Chip board STM32F103C8T6 bBoard JTAG interface and reset button The onboard crystal 32.768KHZ and 8MHZ With 5V to 3.3V chip AMS1117-3.3 With a group of UART serial interfaces All I/O all the leads. And mark the I/O name On-board Mini USB interface. You can give the board power supply and USB communication Board size 52.1(mm) x 35.5(mm) Color and more details are shown as pictures PLS NOTE that due to lighting effects. Monitor's brightness/ contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item! Package Included: 1 x ARM Cortex-M3 STM32F103C8T6 STM32 Core Board, Powered By just-the-one. RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d72f%2Bf7%60%3E-144c0278e59-0x105-
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$0.72 Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China Electronic Toolkit W/830 Connection Points Basic Electronics Component Starter. Electronics Component Basic Starter Kit w/830 tie-points Breadboard Resistor ... moreUSA. 1 X 830 tie-points Breadboard. 1 X 65 Jumper Wire.
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$0.65 Shipping Condition: Brand New Location: China L Dual-channel RS232 expansion board with built-in SP3232EEN driver chip, UART communication module. l RS232 Receiver: SP3232EEN. l UART interface for ... moreeasy conversion between UART and RS232. l On-board Raspberry Pi Pico interface for use with Raspberry Pi Pico series motherboards.
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$3.77 Shipping Condition: Neu Location: China For details, see the reference and tutorials. It communicates using the original STK500 protocol. The UNO strong is an Arduino compatible board. It is ... morebased on Arduino UNO REV3 design. SPI, COM and IIC bus breakout make bus connect easier.
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Free Shipping Condition: New Location: Charlotte, United States Support the software version is as follows Don\\\\\\\'t need to read instructions! When they leave the firmware has been upgraded to the latest V2. Easy ... moreinterface to use pure copper plating 2.54 spacing horn, with 20 cm dupont line, can deal with different target board line sequence, flexible connection;.
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$3.50 Shipping Condition: New Location: China Provide complete supporting information manual (Raspberry Pi / Pico / Arduino / STM32 sample program). Raspberry Pi. Touch Type: Capacitive Sensor. Touch ... morescreen with high transmittance, fast response and long life.
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$2.99 Shipping Condition: New Location: China （No Dupont）. Temperature Range：-40℃～+300℃. Resistance Temperature Coefficient：-2～-5%/℃.
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$3.50 Shipping Condition: New Location: China Item Description: Maybe you alao like it: IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino 1602LCD Display From Hong Kong 1602 16x2 Character ... moreLCD Display Module HD44780 Controller Blue Blacklight From Hong Kong. 1602 162 16x2 Character LCD Display Module HD44780 Controller Yellow Blacklight From Hong Kong. 2004 204 20x4 Character LCD Display Module HD44780 Controller Blue Blacklight IIC/I2C/TWI/SP I Serial Interface1602 16X2 Character LCD Module Display Blue From Hong Kong IIC/I2C/TWI/SP I Serial Interface2004 20X4 Character LCD Module Display Blue 1602 LCD Board Keypad Shield Blue Backlight For Arduino LCD Duemilanove Robot From Hong Kong This is another great IIC/I2C/TWI/SPI Serial Interface. As the pin resources of Arduino controller is limited. Your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project. I2C Address: 0X20~0X27(the original address is 0X20.You can change it yourself) Supply voltage: 5V the backlight and contrast is adjusted by potentiometer Come with 2 IIC interface. Which can be connected by Dupont Line or IIC dedicated cable Compatible for 1602 LCD Downlod Material Shipping List: 2PCS* IIC I2C TWI SPI Serial Interface Board Module Port For Arduino 1602 LCD We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback. So that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! The items you ordered will be shipped out in 1 business day by Hong Kong Air Mail when your payment is clear. The arrival time is 5-20 business days to United States usually. We ensure dispatch th
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Free Shipping Condition: New Location: Hong Kong SAR China Brand Schneider MPN LV429338 Model LV429338 UPC Does not apply.
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$2.80 Shipping Condition: Neu Location: China It is very convenient to connect to the computer via Micro USB, arduino IDE download program. We have exported all I/Os and power supplies. It can be ... moreeasily connected to your application via the DuPont cable.
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$4.00 Shipping Condition: New Location: China MTC2 PLUS 4-in-1 Emulator. MTC2 PLUS downloader x 1. - High-speed integrated debugger. - Standard full-signal interface for each downloader type. - Large-capacity ... moreFPGA high-speed downloader. Downloader for LATTICE: HW-USBN-2B.
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Free Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China Use a special ch341a chip usb.usb1.1 communication. Chip: CH341A chip. Support 1: Support 24 25 chip models (must be in the list of supported models). ... more1pc SOIC8 clip + 1pc socket adapter. 1pc SOIC8 clip + 2pcs socket adapter.
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$2.98 Shipping Condition: New Location: China The most headache STC12, STC15, STC11, STC10 series of burning success rate of 100%, and to do 115200 of the highest baud rate burning! 4P DuPont cable ... morelength:20CM. 1X Dupont cable. The highest baud rate 115200 support!
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$3.00 Shipping Condition: New Location: China Item Description: Maybe you alao like it: IIC/I2C/TWI/SP I Serial Interface Board Module Port For Arduino 1602LCD Display From Hong Kong 1602 16x2 Character ... moreLCD Display Module HD44780 Controller Blue Blacklight From Hong Kong. 1602 162 16x2 Character LCD Display Module HD44780 Controller Yellow Blacklight From Hong Kong. 2004 204 20x4 Character LCD Display Module HD44780 Controller Blue Blacklight IIC/I2C/TWI/SP I Serial Interface1602 16X2 Character LCD Module Display Blue From Hong Kong IIC/I2C/TWI/SP I Serial Interface2004 20X4 Character LCD Module Display Blue 1602 LCD Board Keypad Shield Blue Backlight For Arduino LCD Duemilanove Robot From Hong Kong This is another great IIC/I2C/TWI/SPI Serial Interface. As the pin resources of Arduino controller is limited. Your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project. I2C Address: 0X20~0X27(the original address is 0X20.You can change it yourself) Supply voltage: 5V the backlight and contrast is adjusted by potentiometer Come with 2 IIC interface. Which can be connected by Dupont Line or IIC dedicated cable Compatible for 1602 LCD Downlod Material Shipping List: 2PCS* IIC I2C TWI SPI Serial Interface Board Module Port For Arduino 1602 LCD We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback. So that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! The items you ordered will be shipped out in 1 business day by Hong Kong Air Mail when your payment is clear. The arrival time is 5-20 business days to United States usually. We ensure dispatch th
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$2.80 Shipping Condition: Neu Location: China The powerful MICRO is the Arduino compatible board. It is based on Arduino Microdesign. SPI, COM, and IIC bus interrupts make bus connections easier. ... moreIt has 20 digital input/output pins (7 of them can be used as PWM outputs and 12 are used as analog inputs), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset Button.
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$42.97 Shipping Condition: Brand New Location: China (1.ESP32-ETHO1 is an embedded serial to Ethernet module based on ESP32 series. ESP32 series Ic is integrated 2.4GHz Wi-Fi and Bluetooth dual-mode Soc ... morewith good functional performance. 2) Through-hole (soldered pins): use on breadboard;.
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Free Shipping Condition: New Location: China US Electronics Component Basic Starter Kit w/830 tie-points Breadboard Resistor. 1818PCS Component Box Inline Electrolytic Capacitor LED Emitting 1/4W ... moreResistor. 1 X 65 Jumper Wire. 140 X Solderless Jumper Wire.
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Free Shipping Condition: New Location: China Several classic STM8 materials (including a large number of example source codes and learning experiences). No need to flip through the manual! Several ... moreclassic STM32 materials (including a large number of example source codes and video tutorials).
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$3.00 Shipping Condition: New Location: China 3dayandnight Categories. Description. 100% Brand new and good quality 1*4 Matrix membrane switch with FPC circuit Single chip microcomputer extended keyboard ... morePrecise and professional made. Stable performance Pad Size: 68*20mm Total Length: 107mm Included. 5pcs x Key Matrix Membrane Switch Control 1x4 More Products In This Category. New Arrivals. What's Hot. Why Shop At Our Store. We accept PayPal only. All major credit cards are accepted through secure payment processor PayPal. Payment must be received within 7 business days of auction closing. If you have bought multiple items from me. You can send me one payment for all the items instead of paying for them individually. When you click the Pay Now button, eBay will automatically determine if there are other items you have won or purchased from me and will combine them for your review. We Ship to Worldwide. Except Italy, Nigeria, and we do not ship to APO/FPO Items will be shipped within 1 business day on payment received. Items are shipped from Hong Kong using Airmail. Reach most of the countries within 10 to 20 business days. Delivery time depends on destination and other factors. It may takes up to 20 business days. 12 months Warranty. Buy with confidence! If you are not satisfied when you receive your item. Please return it within 14 days for a replacement or money back. Please contact me before you return it. If item is defective in 3 months. We will send you a replacement without extra charger, or offer refund after we receive the defective item. If item is defective after 3 months. You can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee. We are not responsible for any custom duty or import tax. We will leave POSITIVE FEEDBACK after receiving the payment. Please contact us if you are not satisfied with the item after receive it. All messages will be answered within 1 business day. If you do not receive our reply. Please kindly re-sent your message and we will reply to yo
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$4.30 Shipping Condition: Gebraucht Location: Schkeuditz, Germany • 1 verkabelte Leuchtdiode in Grün mit einer 3-poligen Buchse, Eigenschaften wie beschrieben. Power Supplies / Netzteile. Cables & Adapters / Kabel. Drives ... more/ Laufwerke. Die Wahl erfolgt zufällig. Die Länge der Kabel beträgt etwa zwischen 30cm und 80cm.
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$44.14 Shipping Condition: Neu Location: Görlitz-Zentrum, Germany Pad Size: 68.9 x 76 x 0.8mm. Weight: 7g. Life Expectancy: 1 million closures. Dielectric Withstand: 250VRms (60Hz, 1min). Insulation Spec.: 100M Ohm, ... more100V.
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Free Shipping Condition: New Location: Denver, United States The Arduino boards can be used as the brains behind almost any electronics project. Arduino is an open-source platform used for building electronics projects. ... moreFor the reason of open source, the manufacture of Arduino boards and software distribution by anyone is permitted.
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$42.97 Shipping Condition: Brand New Location: China It is another great blue/yellow-green backlit LCD screen. If you already have I2C devices in your project, then this LCD module really has no more resources. ... moreIt is perfect for Arduino based projects.
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$2.80 Shipping Condition: Neu Location: China Cortex-M3 STM32F103C8T6 STM32 Minimum System Development Board ARM Core Board. Article-Nr.5200137. Product Details: ARM Cortex-M3 STM32F103C8T6 STM32 ... moreCore Board Condition: New Chip board STM32F103C8T6 bBoard JTAG interface and reset button The onboard crystal 32.768KHZ and 8MHZ With 5V to 3.3V chip AMS1117-3.3 With a group of UART serial interfaces All I/O all the leads. And mark the I/O name On-board Mini USB interface. You can give the board power supply and USB communication Board size 52.1(mm) x 35.5(mm) Color and more details are shown as pictures PLS NOTE that due to lighting effects. Monitor's brightness/ contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item! Package Included: 1 x ARM Cortex-M3 STM32F103C8T6 STM32 Core Board, Powered By just-the-one. RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d72f%2Bf7%60%3E-144c0278e59-0x105-
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$4.00 Shipping Condition: New Location: China The default is a MicroUSB cable.If you need a USB DuPont cable, you can place an order witha USB 9-pin DuPont cable. 3 How many USB ports does this LCD ... moremonitor have?. Is horizontal screen display supported under Windows?.
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Free Shipping Condition: New Location: China L Dual-channel RS232 expansion board with built-in SP3232EEN driver chip, UART communication module. l RS232 Receiver: SP3232EEN. l UART interface for ... moreeasy conversion between UART and RS232. For Raspberry Pi CM4 Duino Expansion Board HDMI/USB/CSI/M.2 SSD Interface Module.
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$4.58 Shipping Condition: Neu Location: Nordhorn, Germany PCB Breadboards Prototyp Schaltung Board Lötfrei - 3x400 Punkte. PCB Breadboards Prototyp Schaltung Board Lötfrei - 3x400 Punkte - Kompatibel mit DIY ... moreArduino, Raspberry Pi 2 / 3 / 4 / 5 Projekte Proto Shield Distribution - Verbindungsblöcke.
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$3.00 Shipping Condition: New Location: China However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this ... moreLCD module actually cost no more resources at all.
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Free Shipping Condition: New Location: 金东区, China 140 Pcs Solderless Jumper Wire. 20 Pcs M/F 16.5 cm Dupont Wire. 65 Pcs Jumper Wire. Compatible with STM32,Raspberry Pi,Arduino and so on. The real color ... moreof the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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$5.38 Shipping Condition: Neu Location: China Main processor TMS320F28335:32 bit floating-point high speed digital processor,the max working frequency 150M. - DAC interface:4 channel 10 bit DA output. ... more- DC motor 1 way,protecting anti-plug design,pin spacing 2.54mm;stepper motor 1 way,protecting anti-plug design,pin spacing 2.54mm;.
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$3.75 Shipping Condition: Neu Location: China The powerful MICRO is the Arduino compatible board. It is based on Arduino Microdesign. SPI, COM, and IIC bus interrupts make bus connections easier. ... moreIt has 20 digital input/output pins (7 of them can be used as PWM outputs and 12 are used as analog inputs), a 8 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset Button.
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Free Shipping Condition: New Location: 金东区, China Compatible with STM32,Raspberry Pi,Arduino and so on. 140 Pcs Solderless Jumper Wire. 20 Pcs M/F 16.5 cm Dupont Wire. 65 Pcs Jumper Wire. The real color ... moreof the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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$0.72 Shipping Condition: New Location: China
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$2.80 Shipping Condition: Neu Location: China The powerful MICRO is the Arduino compatible board. It is based on Arduino Microdesign. SPI, COM, and IIC bus interrupts make bus connections easier. ... moreIt has 20 digital input/output pins (7 of them can be used as PWM outputs and 12 are used as analog inputs), a 8/16 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset Button.
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$10.09 Shipping Condition: New Location: Cerdanyola del Vallès, Spain 1 × DHT11 Sensor Module. 1 × SG90 Servo. This full kit includes the following components. 1 × 400 holes Breadboard. 10× Resistor 220ohm. 10× Resistor ... more1K. 10× Resistor 10K. 10× Resistor 100K.
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$10.09 Shipping Condition: New Location: Cerdanyola del Vallès, Spain CP2104 USB 2.0 to UART TTL 6PIN Connector Module Serial Converter for Arduino (Better than CP2102). This is a USB 2.0 to TTL UART 6PIN CP2104 Module Serial ... moreConverter. 1pc x CP2104 USB 2.0 to UART TTL Adapter.
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Free Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China
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$3.22 Shipping Condition: Neu Location: China The most headache STC12, STC15, STC11, STC10 series of burning success rate of 100%, and to do 115200 of the highest baud rate burning! Shell printed ... moreon the interface definition, do not know the interface definition and distress!
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$3.00 Shipping Condition: New Location: China 5PCS IIC I2C Adapter Serial Interface Board Module 5v Arduino 1602 2004 LCD. This is another great IIC/I2C/TWI/SPI Serial Interface. However, with this ... moreI2C interface module, you will be able to realize data display via only 2 wires.
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$2.64 Shipping Condition: Brand New Location: China Output power: 60W. Input Signal: Drive power. 1x Sensor Switch(optional). DuPont connector port, convenient for installation. Output current: 5A. Built ... morein multiple protection, safe and stable output. Multiple output.
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$5.38 Shipping Condition: Neu Location: China PWLINK2 Lite debugger for ARM: Stable and outstanding performance. - Model: PWLINK2 Lite. Interface Definition of PWLINK2 Lite Due to this sectional firmware, ... morethere will be dummy byte (padding bytes. ).
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$5.99 Shipping Condition: New Location: China Driver: 9012 Transistor. When the I / O port input is high, the buzzer sounds,It has mounting holes for easy installation. 1pcs Buzzer Sensor Module. ... more3pcs Dupont Wire. We will reply you ASAP.
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Free Shipping Condition: New Location: China If you ever played with ESP8266, you would realize that ESP32 is a perfect upgrade from ESP8266. In comparison, ESP32 is full-feathered with more GPIO, ... moreplenty of analog inputs and two analog outputs, multiple extra perpherials( like a spare UART ).
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$10.09 Shipping Condition: New Location: Cerdanyola del Vallès, Spain Item Description: 100% brand new and high quality DHT11 sensor adopts The module can detect surrounding environment of the humidity and temperature High ... morereliability and excellent long-term stability output form digital output has fixed bolt hole and easy installation Cables are free for you Specification: Humidity measurement range: 20%~90%RH Humidity measurement error: ±5%RH Temperature measurement range: 0~60℃ Temperature measurement error: ±2℃ Working voltage:5 V Size: 28x12x8mm Package includes: 5PCS*DHT11 module 15PCS*Dupont Cables. We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately BEFORE you give us neutral or negative feedback. So that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! The items you ordered will be shipped out in 1 business day by Hong Kong Air Mail when your payment is clear. The arrival time is 5-20 business days to United States usually. We ensure dispatch the item within 1-2 business days. However. You bought the item from opposite side of the earth, so it needs a little longer time to deliver. Please place order only if you agree with the shipping time and all the terms below. Customs duty is obligation and liability of a citizen in your country. So buyer should be responsible for any tax and custom duty incurred. Generally, the delay or failure delivery is sometimes caused by the policy of different customs. For example, Laser Pointer is unacceptable in some countries. Therefore, please double check your local customs policy carefully before purchase. Or, we will NOT be responsible for any failure delivery related destination customs issue. We accept PayPal only. Payment must be received in 5 business days of auction closing. Please leave note for your special request(e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment. Because most of orde
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$2.88 Shipping Condition: New Location: China This is another great IIC/I2C/TWI/SPI Serial Interface. However, with this I2C interface module, you will be able to realize data display via only 2 wires. ... moreIf you already has I2C devices in your project, this LCD module actually cost no more resources at all.
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$3.00 Shipping Condition: New Location: China (On-board DAP with four functions. 1) On-board DAP with functions including debugging, downloading power, serial communication, a USB cable needed. 3) ... moreOnboard SPI FLASH, EEPROM, digital tube, IO extension, etc.
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$2.80 Shipping Condition: Neu Location: China The powerful MICRO is the Arduino compatible board. It is based on Arduino Microdesign. SPI, COM, and IIC bus interrupts make bus connections easier. ... moreIt has 20 digital input/output pins (7 of them can be used as PWM outputs and 12 are used as analog inputs), a 8/16 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset Button.
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$3.20 Shipping Condition: New Location: China 1 x 2004 204 20x4 Character LCD Display Module 2004 LCD Blue/Yellow Blacklight. Fully assembled and tested Serial LCD 20x4 Module. This is another great ... moreIIC/I2C/TWI/SPI Serial Interface. However, with this I2C interface module, you will be able to realize data display via only 2 wires.
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$4.30 Shipping Condition: Gebraucht Location: Schkeuditz, Germany Power Supplies / Netzteile. • 1 Kabel mit 2 Leuchtdioden in Blau und zwei 1-poligen Buchsen, Eigenschaften wie beschrieben. Cables & Adapters / Kabel. ... moreDrives / Laufwerke. Keine Haftung für techn. Daten / no liability for technical information.
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Free Shipping Condition: New Location: China
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Free Shipping Condition: New Location: China FC-28 Soil Humidity Detection Sensor Module for Arduinon Brand New Ready to ship from USA This is a brand new item. This is a summary of the moisture ... moresensor can be used to detect soil moisture. When soil water deficiency, the module outputs a high level, whereas output low level. Using this sensor to water the flowers make an automatic device. Without people to manage your garden plants. Sensitivity can be adjusted(figure blue digital potentiometer adjust) Soil humidity module on the environment humidity the most sensitive. Generally used to detect soil humidity Module in soil moisture can not reach the setting threshold. DO mouth output high level, when soil moisture more than setting threshold value, module D0 output low level Has fixed bolt hole. Convenient installation Comparator using LM393 chip. Work stability Two small plate interface specifications(3 wires) VCC external 3.3~5 V- GND external GND- DO small plate digital output interface(0 and 1) Digital output D0 can be directly connected with the single chip microcomputer. Through the single chip microcomputer to detect high and low level, thus to detect soil humidity, Package Included: 1 x FC-28 Soil Humidity Detection Sensor Shipping/Handling Options: First Class: 5-10 days Priority Mail: 3-6 days US Resident USPS First Class: FREE USPS Priority Mail: $9.95 International International: $1.95 Powered by;1?RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Feog4d72f%2B%3E%3B1%3F-13fc93ab483-0x107-
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$1.24 Shipping Condition: New Location: 金东区, China
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$3.22 Shipping Condition: Neu Location: China The powerful MICRO is the Arduino compatible board. It is based on Arduino Microdesign. SPI, COM, and IIC bus interrupts make bus connections easier. ... moreIt has 20 digital input/output pins (7 of them can be used as PWM outputs and 12 are used as analog inputs), a 8 MHz crystal oscillator, a USB connection, a power jack, an ICSP plug and a reset Button.
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