GitHub - sparkfun/SparkFun_BQ27441_Arduino_Library: Arduino library for the BQ27441 LiPo Fuel Gauge.
GitHub - svcguy/lib-BQ27421: A library based on STM32 CubeMX HAL drivers for interfacing with the Texas Instruments BQ27421 Fuel Gauge IC
![Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy](https://ripitapart.files.wordpress.com/2013/06/2013-06-15-02-08-17.jpg)
Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy
![Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy](https://ripitapart.files.wordpress.com/2013/06/2013-06-14-15-51-58-e1371284446284.jpg)
Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy
![BQ27421-G1: BQ27421 Inadvertently enters shutdown mode - Power management forum - Power management - TI E2E support forums BQ27421-G1: BQ27421 Inadvertently enters shutdown mode - Power management forum - Power management - TI E2E support forums](https://e2e.ti.com/resized-image/__size/1230x0/__key/communityserver-discussions-components-files/196/5684.schematic_5F00_fuel_5F00_gauge.jpg)
BQ27421-G1: BQ27421 Inadvertently enters shutdown mode - Power management forum - Power management - TI E2E support forums
![Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy Convenient chips, inconvenient packages: Making use of the Texas Instruments bq27421-G1 lithium-ion battery fuel gauge chip | Rip It Apart - Jason's electronics blog-thingy](https://ripitapart.files.wordpress.com/2013/06/2013-06-14-15-47-14-e1371284794613.jpg)