Android with embedded printer

On developing software without a manual

Dec. 31, 2020 - Willem L. Middelkoop

This month I received a shipment from China containing some special hardware, Android devices with embedded printers! To make life easier for the restaurant and business owners that use my food ordering app, I want these devices to automatically print new orders. If only I can get these machines to work with my software... challenge accepted!

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It runs Android - with some Chinese sauce on it (figuratively speaking...)

Handheld Android Terminal - OEM hardware straight from China

Java code to drive the printer

Chinese code to make the printer work... how can one possibly understand this?

People use the app to order food - orders are forwarded to kitchen and delivery staff

Snake '97 on the Lemmid Printer - ha!

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Articles (148)

2024-03-24 Half Marathon
2024-03-05 No, I Won't Build That!
2024-02-16 Vision Pro
2024-01-16 Health and fitness data
2023-12-15 Backup Rotation Scheme
2023-11-10 Apple Watch as Phone
2023-11-01 And... there is light!
2023-10-14 Giving AI Training
2023-10-13 Hello, stranger
2023-08-23 The Same, Differently
2023-05-31 Impact of training
2023-05-08 Tablet as Tool
2023-05-03 Using AI to generate code
2023-05-01 Working Offline First
2023-04-20 Tips for Long-Distance Cycling
2023-04-05 Cutting Cloud Costs
2023-02-08 Back to the University
2022-12-22 Rolex DateJust 36
2022-11-01 Moving to the countryside
2022-10-23 MUSE in Carré
2022-09-15 The Ultimate Freedom Bike
2022-09-11 Computer says no
2022-07-30 CAPTCHA Alternative
2022-07-17 Offline Music
2022-04-18 Snake '97 High Scores
2022-01-14 Wearing WHOOP 4.0
2021-12-09 For the love of mini
2021-11-19 Escaping the flat tires
2021-10-25 Using Google Free Android
2021-09-30 Inspiration from a child
2021-08-31 Protecting VMware ESXi
2021-07-13 The birth of a child
2021-06-30 Migrating to the Cloud
2021-06-05 Wearing Grand Seiko
2021-05-31 Using the reMarkable paper tablet
2021-05-04 Hospitalised with MCADD
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2020-12-31 Working with special hardware from China
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2020-06-17 Tudor Black Bay 36 long-term review
2020-06-12 Linking Lemmid Store with kitchens
2020-05-25 Different ways to visualise health
2020-05-11 Scalable application design without magic
2020-05-01 Designing an interface for a food ordering page
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2020-03-09 Making my own tablet OS
2020-03-03 Monolithic vs Microservices software architecture
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2019-09-10 Fighting backscatter spam at server level
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2019-08-18 Creating a minimal road bike
2019-07-16 Limitations of sleep tracking using a wearable
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2019-06-24 Six months with MCADD
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2018-08-20 Google Analytics vs AWStats
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2018-04-30 Off the grid: Working on 100% renewable energy
2018-04-18 Outside the comfort zone: amateur acting
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2018-03-07 Tablet as main computer
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2018-02-21 Updating Snake '97
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2018-01-08 Lessons from a takeaway plastic bag
2017-12-02 Commuting by bike
2017-11-15 Collecting health data with Biostrap
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2017-09-02 Climbing Mount Etna
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