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Reference: RBD-1354
Length: 8 inches/20 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Reference: RBD-0351
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 100mm (depending on antenna geometry) RoboticsBD Operating frequency: 13.56MHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anticollision Typical ticketing transaction: <100 ms ( including backup management)...
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-0761
Breadboard friendly Mounting Style: Through Hole Mounting Direction: Vertical
Reference: 1353
Length: 12.5 inches/30 CM (Long) Material: Copper Plated Pin Spacing: 2.54mm.
Subcategories
Reference: RBD-0694
Power input: 4.5V ~ 9V (10VMAX), USB-powered Transfer rate: 110-460800bps Support UART / GPIO data communication interface Support Smart Link Smart Networking Working temperature: -40°C ~ + 125°C Drive Type: Dual high-power H-bridge Don’t need to download resetting A great set of tools to develop ESP8266 Flash size: 4MByte Lowest cost WI-FI Note: The...
Reference: RBD-2218
Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form. Built 13Bit/DA converter, and 12Bit/PWM output. PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways. Support for loading WAV audio formats. USB download mode, support...
Reference: RBD-1407
Flash LED off: 180mA @ 5V. Flash LED on to maximum brightness: 310mA @ 5V. Deep-sleep: 6mA @ 5V min. Modem-sleep: 20mA @ 5V min. Light-sleep: 6.7mA @ 5V min. Programmer: ESP32-CAM-MB MICRO USB Download Module The ESP32 CAM does not come pre-assembled with the camera. You'll need to connect the camera ribbon cable to the board, a task which can be...
Reference: RBD-2065
Play standard mono or stereo MP3 files Control with buttons Serial communications protocol (JQ6500 Arduino Library available). Power supply 4.2V Speaker power 4 ohms / 3 watts
Reference: RBD-0948
Built-in Flash: 32Mbit Power supply: 5V WiFi protocol: IEEE 802.11 b/g/n Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S Logic level: 3.3V
Reference: RBD-1772
Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150
Reference: RBD-0990
Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.
Reference: RBD-1138
Board Based On AI-Thinker A9 GPRS Module Supports Firmware Upgrade Via Serial Port Operating Voltage: 5v
Reference: RBD-0552
Working frequency: quad-band network, 850 / 900 / 1800 / 1900MHz Working voltage: 4.8-9VDC(On-board voltage regulator circuit supply power for A6 module) Working Current: maximum of 2A. RoboticsBD
Reference: RBD-0690
The main chip: ISD1820. Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
Reference: RBD-0550
Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output. RoboticsBD
Reference: RBD-1039
The module was recycled from a mobile phone so you can say it is used. TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. In recent years...
Reference: RBD-1037
Quad-band 850/900/1800/1900MHz Inner MT3337 GPS receiver, -165dBm precision, control on a same serial port. Earphone/ microphone outputs on a card or external 32-ohm speaker + supports voice calls with an electret microphone. Sending and receiving SMS.
Reference: RBD-0318
This module is intended for advanced users who require moderate knowledge of GSM systems and microcontrollers. It needs wiring and firmware updates to unlock the country lock. Dual-Band 900/ 1800 MHz GPRS multi-slot class 10/8GPRS mobile station class B Compliant to GSM phase 2/2+ Dimensions: 24*24*3 mm Weight: 3.4g Control via AT commands (GSM 07.07...
Reference: RBD-1970
Brand: DFRobot
Version 2.0 More natural pronunciation Fewer pronunciation errors for polyphone characters No option of speakers
Reference: RBD-0345
802.11 b/g/n Standards Wi-Fi Direct (P2P), soft-AP 1MB Flash Memory Integrated low power 32-bit CPU could be used as an application processor A-MPDU & A-MSDU aggregation & 0.4ms guard interval Wake up and transmit packets in < 2ms Standby power consumption of < 1.0mW (DTIM3) RoboticsBD
Reference: RBD-2039
Product Name:DY-SV5W Voice Playback Module Product Number:DY-SV5W Work Voltage:DC 5V Working Temperature range:-20℃~85℃ Working Humidity range:0%-95%RH Size :35*35*4.5mm
Reference: RBD-1255
Integrated 0.96″ OLED Micro USB connection Compatible with Arduino Compatible with NodeMCU(Lua for ESP8266) Input Power 5V Compatible for Arduino Compatible with NodeMCU(Lua for ESP8266)
Reference: RBD-1867
Original TDA7297 core technology Easy Plug and Play Operation Dynamic operating Voltage Range: 8 to 16V High fidelity Dual 15W output.
Reference: RBD-1671
ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)
Reference: RBD-1773
Supply Voltage: 5V USB / 3.7V lithium battery Output Port: 3-wire audio interface/DIY pad Output Type: Analog signal Bluetooth name: VHM-314-V3.0 Bluetooth version: 5.0 Bluetooth passcode: no password Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro) Operation method:...
Reference: RBD-1412
Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH: QSPI flash 4MB / PSRAM 8MB SRAM:520 kB SRAM Button: Reset USB to TTL: CP2104 Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current: About 70mA
Reference: RBD-1582
25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω Wide-range single-supply operation (8 – 26 V) High efficiency (η = 90%) Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB Differential inputs minimize common-mode noise Standby and mute features Short-circuit protection
Reference: RBD-0579
Quad-band 850/900/1800/1900MHz GPRS multi-slot class12 connectivity: max. 85.6kbps(down-load/up-load) GPRS mobile station class B Controlled by AT Command (3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands) Supports charging control for Li-Ion battery Supports Real-Time Clock Integrated GPS/CNSS and supports A-GPS Low power consumption, 10mA in sleep...
Reference: RBD-1324
Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.
Reference: RBD-0443
Based on SIMCom‘s SIM900 Module Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world. Control by AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands. Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
Reference: RBD-1021
Operating voltage: 2.5V-5.5V, recommended 5V Speaker Load: 2-8 Ohms Input and Output Connectors: Pins on 0.2" centers Size: 24 x 23 x 105 mm (L x W x H) Net weight: 3g
Reference: RBD-0981
Low power device. DTMF decoder chip. Band-split filter. Digital decoding functions. Modem interfaces. Mobile radios.
Reference: RBD-2064
TTL serial port for serial port, you can link directly to the micro-controller. Don’t need MAX232. Power module automatically boots, homing network. Onboard signal lights all the way. It flashes slowly when there is a signal, it flashes quickly when there is no signal. Note: If you want to buy the cheaper recycled SIM800L Module Click here.
Reference: RBD-1557
USB communication, no need write code Support PC software automation Double antenna Support quad-band, universal worldwide Support 2G/3G/4G Automatically connect to the network Adaptive frequency
Reference: RBD-1856
Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...
Reference: RBD-1765
LILYGO TTGO Model: 915MHZ CH9102F T3_V1.6.1 LoRa32 V2.1_1.6 Version 915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI Wireless Module ESP-32 SMA
