Tag: #fingerscore
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 6 posts
6 posts are tagged #fingerscore; the most recent was published on 2026-06-17.
Often tagged together: #embedded 5 #hardware 4 #ble 2 #electronics 2 #pcb 2
Most read in the last 90 days:
FingerScore Hardware 3 — MCU Firmware and Gesture Input Processing
This post covers the brain of the FingerScore BLE ring device for racket-sports score keeping: the MCU firmware. From the structure of init, main loop, interrupts, and low-power sleep, through detecting buttons and gestu
2026-06-17 · 17 min read #fingerscore#firmware#mcu#embedded#gestureFingerScore Hardware 4 — Designing BLE Wireless Communication (From GATT to Mobile Integration)
We design the BLE wireless communication at the heart of the FingerScore smart-scoring ring from the ground up. GAP/GATT concepts, a custom score service, pairing security, Web Bluetooth and Android integration, power sa
2026-06-17 · 15 min read #fingerscore#ble#bluetooth#gatt#embeddedFingerScore Hardware 6 — PCB Design and Miniaturization (Building It Into a Ring)
We cover the final step that turns the FingerScore circuit into a real, touchable ring: PCB design. The schematic-to-PCB flow, component placement and routing, ring form-factor constraints, 2.4GHz antenna layout, DFM and
2026-06-17 · 15 min read #fingerscore#pcb#kicad#antenna#miniaturizationFingerScore Hardware 2 — Electronics Fundamentals (From Voltage, Current, and Resistance to Digital Signals) ♪ Listenable
Everything you need from electronics fundamentals to build the FingerScore ring device, in one piece. We walk through Ohm law and voltage dividers, pull-up and pull-down resistors, capacitors, LED current-limiting calcul
2026-06-17 · 23 min read #fingerscore#electronics#hardware#gpio#i2cFingerScore Hardware 5 — Power, Battery, and Circuit Design
We cover, from scratch, the power design that actually keeps the FingerScore ring on. A power budget calculation, coin cell vs. LiPo, charging ICs and protection circuits, LDOs and buck converters, decoupling, low-power
2026-06-17 · 16 min read #fingerscore#power#battery#lipo#circuitBuilding FingerScore Hardware 1 — System Design and Bill of Materials (BOM) ♪ Listenable
This is part one of a hardware series on building the FingerScore ring-shaped score recorder yourself. It walks through translating product requirements into circuits, the system block diagram from sensor to MCU to radio
2026-06-17 · 29 min read #fingerscore#hardware#electronics#ble#embedded