She posts the project’s Hackaday.io site where Jean Simonet details what’s inside (i.e. no dice were harmed in this teardown). What makes things happen? Some tiny but sophisticated gear:
1
×
Linear Battery Charger Controller Li-Ion/Li-Pol 15mA to 500mA 4.2V
1
×
Power Distribution Switch
1
×
Lipo Battery, 60mAh
1
×
7uH wireless charging coil
1
×
Omnipolar Hall Effect Sensor,
1
×
Crystal 32MHz ±15ppm 8pF
20
×
APA102 2020RGB LED 2mm x 2mm (“DotStar LEDs”)
1
×
Full bridge rectifier – 200mA 80V
1
×
nRF52810 Bluetooth microcontroller
1
×
LDO Regulator, 200mA, 5 V
1
×
3 Axis Accelerometer
1
×
2.5V to 5.5V Synchronous Step Down Single-Out 0.6V to 5.5V
Quite smart for a small 20 sided package, achieved through flexible PCB folding and resin casting – see the video below.
Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7:30pm ET! To join, head over to YouTube and check out the show’s live chat and our Discord!
Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey