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Radio Board v3

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Status: Completed

Introduction

Radio Board is a small CC430 based very low consumption board suitable e.g. for acting as a wireless uart for the Base Board or as a standalone wireless sensor.

Designs

Radio board v3 gerbers
Radio board v3 3D view in Kicad
Radio board v3 schema

BoM

Ref Value Digikey ref Mouser ref
C1, C3, C5, C6, C8, C10, C11, C14, C15, C16,C22 100nF 490-1318-1-ND GRM155R61A104KA01D
C2 470nF 445-4989-1-ND C1005X5R1A474K
C4 10 uF 445-1371-1-ND C2012Y5V1A106Z
C7, C9 30 pF 445-4902-1-ND C1005C0G1H300J
C12, C13 2 pF 445-4862-1-ND C1005C0G1H020B
R1 56 kΩ 311-56.0KLRCT-ND RC0402FR-0756KL
R2, R3 4.7 kΩ 311-4.7KJRCT-ND AC0402JR-074K7L !=DK
R4 47 kΩ 311-47.0KLRCT-ND C0402FR-0747KL
U1 CC430F5137 296-25330-5-ND CC430F5137IRGZ
U2 TMP275 TMP275AIDGKT TMP275AIDGKT
U4 SI7006 SI7006-A10-IM1 (Last Time Buy Date: 03-04-2015) ?
X1 26 MHz 535-11297-1-ND ABM3C-26000MHZ-D4Y-T
CN1, CN2 2mm header N/A N/A
CN4 antenna N/A N/A

Errata

  1. Temperature range of cc430 and the crystal is only -40°C - +85°C. +105°C upper limit would be better for sauna.
  2. Antenna pads not exposed on bottom side.