JavaScript development on a tablet computer
Monetising my blog with coffee, Apple Pay and Mollie
Mar. 25, 2020 - Willem L. Middelkoop
Online payments are now more important than ever as businesses are disrupted by the COVID-19 virus. It drives my customers to seek new ways to make money online. I designed and implemented a (micro)payment system. This post is about achieving simplicity by solving complex challenges.
Continue reading![Translating the design sketch (left) into a prototype (right) on iPad](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_02_Translating-the-design-sketch-left-into-a-prototype-right-on-iPad_500px.jpg)
![Calling Mollie from NodeJS using promise based JavaScript](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_07_Calling-Mollie-from-NodeJS-using-promise-based-JavaScript_500px.png)
![Time to drink coffee](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_10_Time-to-drink-coffee_500px.jpg)
![Handling payment status updates](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_08_Handling-payment-status-updates_500px.jpg)
![Steve Jobs announcing the Keynote app at MacWorld 2003, joking that it was build for himself, him being an underpaid beta tester](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_00_Steve-Jobs-announcing-the-Keynote-app-at-MacWorld-2003-joking-that-it-was-build-for-himself-him-bein_500px.jpg)
![Sketched sequence diagram of payment process](/blog/2020-03-25_designing-and-implementing-a-micro-payment-system/images/i_05_Sketched-sequence-diagram-of-payment-process_500px.jpg)