Blip

Nordic nRF52840 Dev Board with Sensors and Debugger

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Blip is a development board for Bluetooth Low Energy (BLE) and 802.15.4 based wireless applications, based on the Nordic Semiconductor nRF52840 SoC.

It has a Black Magic Probe compatible programmer and debugger built in, along with temperature/humidity sensor, ambient light intensity sensor, and a 3-axis accelerometer. It can be used to prototype very low power devices. It also has provision for an SD card slot, which makes it a complete and versatile development board.

Features

  • Raytac MDBT50Q-1M module based on Nordic Semiconductor’s nRF52840
  • LIS2DDH12 High-performance 3-axis “femto” accelerometer
  • Optical Sensor LTR-329ALS-01
  • Si7006-A20 I2C humidity and temperature sensor
  • On board STM32F103CBT6 as Black magic probe debugger
  • NFC Antenna
  • MicroSD slot
  • Power Supply: USB, JST connector for Li-ion/Li-po
  • BQ24079 battery charging and power management IC

Operating Conditions

Maximum Input Voltage

  • USB powered : 5V
  • Vext = 1.8V to 3.3V
  • Vbat = Lithium ion/polymer 3.7/4.2V battery

Power Ratings

  • Max battery charging current : 150mA
  • When powering with Vext, the debugger, charging IC, and LDO are bypassed for low current consumption

Repository

You can find sample firmware, datasheet, images etc. on its repository.

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