Systev

Firmware update over the air for the ESP32

Pascal Bodin — Wed, 24 May 2023 09:01:30 +0000

I just published on GitHub some code which presents one possible way to implement firmware update over the air for the ESP32:

Displaying tracks with QGIS

Pascal Bodin — Fri, 07 Apr 2023 09:15:33 +0000

In order to test some location data generated by an embedded application I’m developing for one of my clients, I need to plot tracks on a map. I already used QGIS 10 years ago, and I have kept in mind that it was supporting Python scripting. This could accelerate my tests a lot. So, let’s …

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Software engineering for embedded systems

Pascal Bodin — Sat, 25 Sep 2021 10:51:14 +0000

Classes or books about software engineering for embedded systems: Philip Koopman’s class, at Carnegie Mellon University

C – a list of resources

Pascal Bodin — Thu, 19 Aug 2021 08:50:46 +0000

Updated: 21-Jul-2023 Language Memory allocation Flexible arrays Undefined behavior Make Volatile keyword Coding standards Portability Test Obfuscation Tools Network programming Misc.

A list of sensor development kits

Pascal Bodin — Sun, 18 Jul 2021 12:29:36 +0000

I started a list of sensor development kits, on Github this time.

IoT and Connected Objects

Pascal Bodin — Sat, 23 Jan 2021 07:18:14 +0000

A presentation providing an overview of the domain that is today called IoT or connected objects is available here: https://pascalbod.github.io/iot-en-presentation. The perspective is the one of the system integrator, who has to make a system fulfilling (more or less) detailed functional specifications,

LoRa and LoRaWAN reference documents

Pascal Bodin — Wed, 29 Apr 2020 05:10:55 +0000

Updated: 16-Mar-2022 LoRa LoRa modulation basics (from Semtech website) LoRaWAN LoRaWAN specification 1.0.4 LoRaWAN regional parameters – RP2-1.0.3

LoRaWAN data rates and payload sizes

Pascal Bodin — Mon, 27 Apr 2020 06:17:26 +0000

Updated: 16-Mar-2022 Data Rate Configuration Indicative Bit Rate (b/s) N 0 LoRa: SF12 / 125 kHz 250 51 1 LoRa:SF11 / 125 kHz 440 51 2 LoRa:SF10 / 125 kHz 980 51 3 LoRa:SF9 / 125 kHz 1760 115 4 LoRa:SF8 / 125 kHz 3125 222 5 LoRa:SF7 / 125 kHz 5470 222 6 LoRa:SF7 …

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Edge AI

Pascal Bodin — Fri, 27 Dec 2019 18:47:07 +0000

Updated: 30-Nov-2021 Hardware Akida Neural Processor, from brainchip DBM10, from DSP Group – ultra-low-power SoC optimized for voice and sensor processing Ergo, from Perceive GAPuino GAP8 development board, from GreenWaves Technologies GrAI One, from GrAI Matter Labs Hailo-8 IIS2ICLX – 2-axis Digital Inclinometer with Embedded Machine Learning Core Innatera – neuromorphic processors for spiking neural …

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Connecting a battery to the mangOH Yellow

Pascal Bodin — Sat, 26 Oct 2019 17:11:09 +0000

I attended the Sierra Wireless Innovation Summit, on last Wednesday and Thursday. Which means that I got the opportunity to play with a mangOH Yellow board and Octave, and that I brought back home the board 🙂 Before starting to write my first own application, today I connected a lithium-ion battery to the board, and …

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