![Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0 [2269]](http://digitalmeans.co.uk/shop/image/cache/catalog/adafruit/bluetooth/bluefruit_le_sniffer-bluetooth_low_energy-ble_4_0-nrf51822_v1_0-003-250x250w.jpg "Bluefruit LE Sniffer - Bluetooth Low Energy (BLE 4.0) - nRF51822 - v1.0 [2269]")
![Conductive Thread - Stainless Thin - 2 Ply - 23m (76ft) [640]](http://digitalmeans.co.uk/shop/image/cache/catalog/adafruit/wire/stainless_thin_conductive_thread-2_ply-23_meter76_ft-001-250x250w.jpg "Conductive Thread - Stainless Thin - 2 Ply - 23m (76ft) [640]")
![SMA to uFL/u.FL/IPX/IPEX RF Adapter Cable [851]](http://digitalmeans.co.uk/shop/image/cache/catalog/adafruit/radio/sma_to_uflu_flipxipex_rf_adapter_cable-001-250x250w.jpg "SMA to uFL/u.FL/IPX/IPEX RF Adapter Cable [851]")
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![Blynk Board - ESP8266 [WRL13794]](http://digitalmeans.co.uk/shop/image/cache/catalog/sparkfun/model/wrl/13794/sparkfun_blynk_board-esp8266-001-250x250.jpg "Blynk Board - ESP8266 [WRL13794]")
![Blynk Board - ESP8266 [WRL13794]](http://digitalmeans.co.uk/shop/image/cache/catalog/sparkfun/model/wrl/13794/sparkfun_blynk_board-esp8266-002-250x250.jpg "Blynk Board - ESP8266 [WRL13794]")
Brand: Sparkfun
Model: SPARKFUN-WRL13794
Blynk is an easy to use app builder that allows users to add a variety of buttons, sliders, graphical displays and even RGB controllers to their phone. The SparkFun Blynk Board is specially designed to work with the 'widgets' within the Blynk mobile app to create your next IoT project. Monitor local..
£39.53
Ex Tax:£32.95
![Humidity and Temperature Sensor Breakout - Si7021 [SEN13763]](http://digitalmeans.co.uk/shop/image/cache/catalog/sparkfun/model/sen/13763/sparkfun_humidity_and_temperature_sensor_breakout-si7021-001-250x250.jpg "Humidity and Temperature Sensor Breakout - Si7021 [SEN13763]")
![Humidity and Temperature Sensor Breakout - Si7021 [SEN13763]](http://digitalmeans.co.uk/shop/image/cache/catalog/sparkfun/model/sen/13763/sparkfun_humidity_and_temperature_sensor_breakout-si7021-004-250x250.jpg "Humidity and Temperature Sensor Breakout - Si7021 [SEN13763]")
Out Of Stock
Brand: Sparkfun
Model: SPARKFUN-SEN13763
The Si7021 is a low-cost, easy-to-use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for build a weather stations or humidor control system. All you need are two lines for I2C communication, and you'll have relat..
£9.90
Ex Tax:£8.25
![Si7021 Temperature + Humidity Sensor Breakout Board [3251]](http://digitalmeans.co.uk/shop/image/cache/catalog/adafruit/model/3251/adafruit_si7021_temperature_humidity_sensor_breakout_board-001-250x250w.jpg "Si7021 Temperature + Humidity Sensor Breakout Board [3251]")
![Si7021 Temperature + Humidity Sensor Breakout Board [3251]](http://digitalmeans.co.uk/shop/image/cache/catalog/adafruit/model/3251/adafruit_si7021_temperature_humidity_sensor_breakout_board-002-250x250w.jpg "Si7021 Temperature + Humidity Sensor Breakout Board [3251]")
Out Of Stock
Brand: Adafruit
Model: ADA-3251
It's summer and you're sweating and your hair's all frizzy and all you really want to know is why the weatherman said this morning that today's relative humidity would max out at a perfectly reasonable 42% when it feels more like 77%. Enter the Si7021 Temperature + Humidity Sensor - the be..
£9.06
Ex Tax:£7.55
Brand: DFRobot
Model: DFR-TOY0054
The Si7021 I2C Humidity and Temperature Sensor is a monolithic CMOS IC integrating humidity and temperature sensor elements, an analog-to-digital converter, signal processing, calibration data, and an I2C Interface. The patented use of industry-standard, low-K polymeric dielectrics fo..
£17.36
Ex Tax:£14.47
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