Luc Lemmens
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ChipCap2 humidity/temperature sensor

Based on a Labs project | January 2014 | Find it here
Sure thing, the brilliant ChipCap2 humidity/temperature sensors from Amphenol Advanced Sensors can be soldered by hand, but their footprint doesn’t match any breadboard this side of Pluto. A small PCB with a standard .1” pitch pinheader connecting all sensor pins to the outside world is sure to make (breadboard) prototyping a lot easier.
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ChipCap2 (CC2) Specifications
Sensor: Relative Humidity (RH%)
Resolution: 14 bit (0.01%RH)
Accuracy: ±2.0 %RH (20–80%RH)
Repeatability: ±0.2 %RH
Hysteresis: ±2.0 %RH
Linearity: <2.0 %RH
Response time: 7.0 sec (t 63%)
Temp Coefficient: Max 0.13 %RH/°C (at 10–60°C, 10–90%RH)
Operating Range: 0–100 %RH (Non-Condensing)
Long Term Drift: <0.5 %RH/yr (Normal condition)
Sensor: Temperature (°C)
Resolution: 14 bit (0.01°C)
Accuracy: ±0.3°C
Repeatability: ±0.1°C
Response time: 5.0 sec (t 63%)
Operating range: –40 to 125°C
Long term drift: <0.05°C/yr (Normal condition)
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The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
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Component list
Component List
R1,R2 = 10kOhm 1% 100mW case 0603
R3,R4 = 0Ohm 100mW case 0603
C1 = 100nF 16V 10% X7R case 0603
C2 = 220nF 10V 10% X7R case 0603
IC1 = CC2D35 Humidity/temperature sensor, digital, (Amphenol Advanced Sensors)
K1 = 7-pin SIL pinheader, 0.1” pitch
Ready assembled CC2-eBoB: Elektor Store # 140154-91

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