sweemeng – Medium

sweemeng

sweemeng

pg_stat_statements are your friend

Let me tell you a story of the day our users face slowness in our application. As we investigate further, we found out that our RDS…

Feb 26, 2023

Feb 26, 2023

sweemeng

Setting content-disposition in S3

Not too long ago, I had this problem. We need to allow users to download json files hosted S3 through a signed URL, but the user on browser…

Feb 19, 2023

Setting content-disposition in S3

Feb 19, 2023

sweemeng

Resetting PostgreSQL sequence

One afternoon one of the developers in the team was unable to insert records into the staging database. It raised the following error, on…

Feb 19, 2023

Feb 19, 2023

sweemeng

Get micropython to work with TTGO T-Display RP2040

Recently I got a TTGO T-Display RP2040. This is a development board based on the Raspberry Pi RP2040 microcontroller. This board features…

Sep 17, 2022

Get micropython to work with TTGO T-Display RP2040

Sep 17, 2022

sweemeng

Sound Recognition on Wio Terminal: Part 4 — Deploy to device

This is part four of the Tiny ML Project, Edge Impulse is covered in in Part three.

Nov 7, 2021

Sound Recognition on Wio Terminal: Part 4 — Deploy to device

Nov 7, 2021

sweemeng

Sound Recognition on Wio Terminal: Part 3 — Edge Impulse

This is part 3 of a series of tutorial setting up a Neural Network to the Wio Terminal. The data processing part is in…

Nov 7, 2021

Sound Recognition on Wio Terminal: Part 3 — Edge Impulse

Nov 7, 2021

sweemeng

Sound Recognition on Wio Terminal: Part 2 — FSD50K Dataset

The FSD50K dataset is a dataset from Free Sound. It contains around 50k sound clip from https://freesound.org/. It is labelled with label…

Nov 7, 2021

Sound Recognition on Wio Terminal: Part 2 — FSD50K Dataset

Nov 7, 2021

sweemeng

Sound Recognition on Wio Terminal: Part 1 — Intro

I have done my introduction to the Wio terminal at my previous post. This device can run TensorFlow lite micro. Meaning it can run a small…

Nov 7, 2021

Sound Recognition on Wio Terminal: Part 1 — Intro

Nov 7, 2021

sweemeng

Introducing Wio Terminal

Seeed Studio have contacted me on a collaboration on creating content with Wio Terminal. I agreed and I get a device. The Wio Terminal is…

Oct 12, 2021

Introducing Wio Terminal

Oct 12, 2021

sweemeng

M5Stack Avatar

M5Stack is a series of ESP32 based hardware with screen and buttons. I used it briefly with a PM2.5 sensor. As well have screen and…

Sep 5, 2021

Sep 5, 2021

sweemeng

sweemeng

Codemonkey coding for tea. Startup developer at day, community organizer at night. I also happens to be on patreon https://www.patreon.com/sweemeng

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