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Capacitive Soil Moisture sensor from https://github.com/Miceuz/soil-moisture-sensor-analog . Some parts changed because of local availability.
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miceuz fa591536b1 Add a 15 low pass filter and use the last opamp as a buffer. Also add an output protection resistor. Also specify missing resistor values 2015-03-26 14:23:15 +02:00
gerbers Add gerbers as they were sent to Seeedstudio 2015-02-17 12:07:35 +02:00
.gitignore add bom, some pcb changes 2015-02-17 00:06:47 +02:00
LICENSE Initial commit 2015-02-04 20:43:25 +01:00
NC7WZU04.pdf add some documentation 2015-02-05 00:23:05 +01:00
NG_DS_1773200_I-245081.pdf Add docu for precision resistors 2015-03-26 14:21:50 +02:00
README.md Update README.md 2015-02-04 20:50:49 +01:00
analog sensor bom.ods add bom, some pcb changes 2015-02-17 00:06:47 +02:00
analog-moist-sensor panel.kicad_pcb Add pannel file 2015-02-17 12:07:07 +02:00
analog-moist-sensor panel.pro Add pannel file 2015-02-17 12:07:07 +02:00
analog-moist-sensor-cache.lib Stupid kicad library update broke the schematics. Duhgit add . 2015-03-25 08:33:47 +02:00
analog-moist-sensor-v3.0.0.zip Add gerbers as they were sent to Seeedstudio 2015-02-17 12:07:35 +02:00
analog-moist-sensor.cmp Change 2 opamp buffer to a difference amplifier made of lmv324 2015-02-05 10:51:21 +01:00
analog-moist-sensor.kicad_pcb Last touch 2015-02-17 12:06:26 +02:00
analog-moist-sensor.net Add a 15 low pass filter and use the last opamp as a buffer. Also add an output protection resistor. Also specify missing resistor values 2015-03-26 14:23:15 +02:00
analog-moist-sensor.pro Initial commit - the first go at PCB 2015-02-04 20:46:37 +01:00
analog-moist-sensor.sch Add a 15 low pass filter and use the last opamp as a buffer. Also add an output protection resistor. Also specify missing resistor values 2015-03-26 14:23:15 +02:00
lmv324.pdf add more docu 2015-02-05 10:51:51 +01:00
nc7wzu04p6.dcm Initial commit - the first go at PCB 2015-02-04 20:46:37 +01:00
nc7wzu04p6.lib Initial commit - the first go at PCB 2015-02-04 20:46:37 +01:00

README.md

soil-moisture-sensor-analog

Analog soil moisture sensor. Continuation of my Chirp project. The idea behind this version is to provide an analog output for the microcontroller and increase the resolution by detecting both peaks and dips of filtered waveform.