Q: Does CC2640 support Bluetooth version 4.2 or Mesh Networks ?
The CC2640 / CC2650 / CC1350 with BLE-Stack v2.2.1 and the CC2640R2F with BLE-Stack v3.0.1 support Bluetooth Core Specification Version
When looking for a cam sensor with orthogonal output, I found MT3651 and YS3651 at the same time. Both were printed with 3651 and packaged in TO-94. The price on Taobao was ¥7+ (the latter is now ¥9),