Category Archives: Uncategorized

Ham radio satellite and moon azimuth and altitude web service

I’m working on a project to implement a self contained ham radio rotator. It basically will take a command from a mobile device and position itself to point to the satellite selected and follow it while its visible. This also … Continue reading

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A Remote Controlled WiFi HF/VHF Antenna Switch I started playing with electronics back when I was 10 years old in Buenos Aires, Argentina, where I grew up. I got my first ham radio operator license when I was 16 years … Continue reading

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PCB solder paste dispensing and pick and place component population workflow for prototyping.,

Combining Voltera V-One and Neoden TM220A

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dweet.io and freeboard.io integration with ESP8266 based module

Here is an example of integration of one of our 4 input analog and 4 input digital module with freeboard.io and dweet.io. The live data can be seen at http://www.snaptekk.com

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16 analog inputs and 2 digital inputs WiFi module based on ESP8266

I just finished testing the first prototype of the 16 analog input and 2 digital input WIFI module. The data is encoded in JSON: {“macAddress”:”5c:cf:7f:87:58:0c”,”channelvalues”:[{“value”:123,”channel”:0},{“value”:234,”channel”:1},{“value”:486,”channel”:2},{“value”:328,”channel”:3},{“value”:214,”channel”:4},{“value”:845,”channel”:5},{“value”:967,”channel”:6},{“value”:253,”channel”:7},{“value”:665,”slotid”:8},{“value”:147″channel”:9},{“value”:166″channel”:10},{“value”:234,”channel”:11},{“value”:604,”channel”:12},{“value”:654,”channel”:13},{“value”:342,”channel”:14},{“value”:732,”channel”:15}],”channels”:16,”IP”:”192.168.2.203″} HTTP/1.1 The module sends the data regularly at ‘heartbeat’ intervals and it is configurable (SSID, … Continue reading

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ESP8266 ESP12E based 4 analog 4 digital input board

Here is an example of a module that takes 4 analog inputs and 4 digital inputs, encodes the data in JSON and streams it to a server via TCP  with REST compatibility. In this specific example the module is taking … Continue reading

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GPS WiFi Sensor

I had a request from a customer to add GPS capabilities to a reed sensor so the deployment of the sensors can be tracked on a map. It is pretty straight forward to integrate a GPS module like the U-Blox … Continue reading

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